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CO2 Location

 
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ghandlin



Joined: 09 Oct 2016
Posts: 96



PostLink    Posted: Tue Dec 06, 2016 5:18 pm    Post subject: CO2 Location Reply with quote


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So, I've seen both for and against having the CO2 within a keezer. Thoughts?

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George Handlin
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kal
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Joined: 12 Dec 2010
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Location: Ottawa, Canada

Drinking: German Lager, Electric Hop Candy Jr, Scottish 70/-, Cali Common, Maibock, Helles, Russian Imperial Stout, Black Butte Porter

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PostLink    Posted: Tue Dec 06, 2016 5:32 pm    Post subject: Reply with quote

The only pro to having it in the keezer is that you don't have to punch a hole and/or install a collar to pass the line. The biggest con is that it takes up room.

I have both of my tanks (a 10# with CO2 and a 20# with CO2/Nitrogen blend) outside my keezer as otherwise that's a good 2 kegs less I can fit in there, and I needed a collar anyway to pass the product lines. No way was I going to risk punching holes in the wall as the chance of hitting the coolant lines are big. The collar also gives you the added height to clear kegs properly. Few freezers will work well without one.

A pictures of the mess: https://www.instagram.com/p/BAGbNepoKm5/?taken-by=theelectricbrewery

In my conditioning fridge I have a 5# tank right in the fridge as (a) there's more room, and (b) I again didn't want to punch a hole in an expensive commercial fridge.

A picture:



Good luck!

Kal

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ghandlin



Joined: 09 Oct 2016
Posts: 96



PostLink    Posted: Tue Dec 06, 2016 5:41 pm    Post subject: Reply with quote

Thx Kal! I thought I saw somewhere about the regulator not being as accurate in the cold? It's been a while - maybe it was the gauge that measures what's left in the tank? I have an upright fridge that I'm using now with the tank outside and I'm about to build a keezer from a chest freezer.
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George Handlin
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kal
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Joined: 12 Dec 2010
Posts: 10077
Location: Ottawa, Canada

Drinking: German Lager, Electric Hop Candy Jr, Scottish 70/-, Cali Common, Maibock, Helles, Russian Imperial Stout, Black Butte Porter

Working on: Weizen


PostLink    Posted: Tue Dec 06, 2016 6:02 pm    Post subject: Reply with quote

ghandlin wrote:
Thx Kal! I thought I saw somewhere about the regulator not being as accurate in the cold?

Not to my knowledge.

Quote:
It's been a while - maybe it was the gauge that measures what's left in the tank?

That doesn't really work. The primary regulator gauge tends read full pressure, and only drops to zero (or close to zero) when it's basically empty.

Kal

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ghandlin



Joined: 09 Oct 2016
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PostLink    Posted: Tue Dec 06, 2016 6:03 pm    Post subject: Reply with quote

Good to know! Thanx!
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George Handlin
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dp Brewing Company



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PostLink    Posted: Tue Dec 06, 2016 8:40 pm    Post subject: Reply with quote

Only con I could think of (that haven't already been pointed out) with having the tank/regulator in the fridge would be the lens of the regulator can fog over with condensation. Space is the biggest issue that Kal already pointed out.
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JSB



Joined: 17 Oct 2016
Posts: 98
Location: NE Ohio


PostLink    Posted: Thu Dec 08, 2016 1:42 am    Post subject: Reply with quote

OK... a blast from my past... days of playing paintball, we had this great chart for CO2....

This chart graphs pressure based on % of the fill [volume] AND temperature.


Yes a cylinder is only supposed to be filled to a certain WEIGHT.... if you happen to fill by volume (a tank is filled with liquid CO2) , that is when you can fill over 100%.

In the past we had to worry about "over fills" and sunny days.... the result could lead to a ruptured 'burst' disc, and all CO2 being released.
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Now I see no real issue with anyone keeping their CO2 cylinder in or out of a keezer. But be careful leaving a full cylinder in a vehicle on a sunny day!

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itsnotrequired



Joined: 15 Sep 2015
Posts: 169
Location: central wi


PostLink    Posted: Fri Dec 09, 2016 4:45 pm    Post subject: Reply with quote

it is true that the tank pressure gauge will not be as accurate if inside the keezer, makes it look less full than it really is. that's just the gauge on the tank itself, the gauge on the secondary regulators will be accurate. another con for inside the keezer is if you have an old steel tank. keezers aren't the driest places and rust can be an issue. not from a safety standpoint but from an aesthetics standpoint, staining the inside of the keezer. not an issue if you have an aluminum tank. also keep in mind that if the tank is on the outside, you'll want it secured so it can't fall over. especially important with kids, you don't want to have a missile flying through your home due to a busted tank head.

i personally went with a 20 lb aluminum tank inside the keezer, for many of the reasons listed above (aesthetics and safety). i do lose a keg position but still have room for eleven kegs, should be enough space. Very Happy another reason for going with a 20 lb tank rather than something smaller. if i'm losing a keg position, might as well fill that whole volume.
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